Finding the Fourth Proportional to 1,412,633,334.24, 1,949,418,530.64 and 777,540,247.38
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Solution
The fourth proportional to 1,412,633,334.24, 1,949,418,530.64 and 777,540,247.38 is: 1,072,997,026.07
Step by Step Solution
- Step 1: Write the proportion equation
1,412,633,334.24 : 1,949,418,530.64 = 777,540,247.38 : x - Step 2: Convert to fraction form
1,412,633,334.24/1,949,418,530.64 = 777,540,247.38/x - Step 3: Cross multiply
1,412,633,334.24x = 1,949,418,530.64 × 777,540,247.38 - Step 4: Simplify right side
1,412,633,334.24x = 1,515,751,366,560,981,760 - Step 5: Solve for x
x = 1,515,751,366,560,981,760/1,412,633,334.24 - Step 6: Final answer
x = 1,072,997,026.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.